Input Gear
WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the input gear, with pilot bearing, in cleaning solvent.
- Air dry and ensure all solvent is removed from the pilot bearing.
- Inspect the pilot bearing (1) for the following conditions:
- Pitted
- Wear
- Corrosion
- Replace the input gear pilot bearing if any of the above conditions are found. Refer to Transfer Case Disassemble and Transfer Case Assemble .
- Inspect the input gear engagement teeth (2) for chips.
- Inspect the input gear for broken or damaged planetary teeth (3).
- Inspect the input gear for debris embedded in the root of the teeth.
- Inspect the input gear seal surface (4) for pitting or excessive wear.
- Replace the input gear if any of the above conditions are found.
- Inspect the input gear thrust washers for excessive wear or scoring.
- Replace the thrust washers if they are faulty.